.analytics-page { padding: 24px; background-color: #f8f9fa; min-height: 100%; }
.header-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.page-title { font-size: 1.8rem; font-weight: 600; color: #333; margin: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: 6px; border: none; font-size: 0.95rem; font-weight: 500; cursor: pointer; transition: background-color 0.2s, box-shadow 0.2s; }
.btn-primary { background-color: #0d6efd; color: white; }
.btn-primary:hover { background-color: #0b5ed7; }
/*.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }*/
.stats-grid {
  display: flex;
  flex-direction: column;
  gap: 16px; /* 添加间距以避免卡片紧挨在一起 */
}
